大会: convention / 大海: large sea, ocean / 退会: withdrawal, especially from a group of some kind

退会: withdraw

平ら: flat, even, level, smooth, having no variation in altitude

平ら: flatness

平: a male given name / 平: a surname

太平:

𱁬: The meaning of this term is uncertain.

大家: expert / 対価: compensation, equivalent value / 退化: degeneration / 大火: large fire / 耐火: fireproof / 大過: serious error

mist, fog, haze, vapor, cloudiness

(mahjong) big three dragons: a 役満 (yakuman, “limit”) hand with triplets or quads of each of the 三元牌 (sangenpai, “dragon tiles”)